Diagnostic Information; Start; Safety Feature Notice - Lexmark C925 Service Manual

2. Diagnostic information

Start

CAUTION
Unplug the power cord from the electrical outlet before you connect or disconnect any cable
or electronic board or assembly for personal safety and to prevent damage to the printer.
Disconnect any connections between the printer and PCs/peripherals.
CAUTION
If the printer is kept on, never touch the conductive parts while it is not specifically required.
Do not touch the LVPS cards and the engine board unless they are properly discharged. Never
touch the live parts.
The diagnostic information in this chapter leads you to the failing part. Before you replace an entire assembly,
determine if just the defective part is available in the parts catalog. Use the error code tables, symptom table,
service checks, and the diagnostic aids chapter to determine the symptom and repair the failure. The removal
procedures in the Repair information chapter may help you identify parts. After you complete the repair, perform
the appropriate tests to verify the repair.
The table below lists the errors and symptoms you might encounter. Use the links in the table to locate the error
message or symptom, and take the indicated action.
Error code or
symptom
Print quality issues
Paper jams (200.xx)
Error codes
Attendance messages
Other symptoms

Safety feature notice

This device is designed with a safety feature to prevent fire or damage due to an overheating fuser. In the event
the fuser should overheat, the printer will automatically shutdown. When the printer shuts down, the on/off power
switch will physically move to the off position. For more information on how to diagnose and service this event,
see "ON / OFF switch automatically switching to the Off position service check" on page
Location
Go to "Print quality issues" on page 2-4
Go to "Paper jams" on page 2-12
Go to "Error codes" on page 2-26
Go to "User attendance messages" on
page 2-49
Go to "Other symptoms" on page 2-58
5041-030
2-59.
2-1
Diagnostic information
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